Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
558978983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7845280357767592036492169.42018-06-04 15:56:39
History
DateUserTypeResult
2018-06-04YxinityF
Factor: 784528035776759203649 / TF: 68-70
2018-06-04sasakiNF
no factor from 2^68 to 2^69
2016-11-19sasakiNF
no factor from 2^67 to 2^68
2015-12-19sasakiNF
no factor from 2^66 to 2^67
2014-10-11sasakiNF
no factor from 2^65 to 2^66
2012-01-06RichardNF
no factor from 2^64 to 2^65